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Blue foxes born later in the season have a slightly delayed fur growth cycle, but it catches up by mid-November.

Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.

Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.

Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.

Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.

Adrenal glands delay the start of winter fur growth in mink.

Higher protein diets with DL-methionine improve mink hair growth and fur quality.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.

Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.

Female pattern hair loss involves hair follicles shrinking, influenced by hormones like melatonin and prolactin.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

Prolactin may affect hair growth differently based on gender and scalp area.

The study concluded that changing the culture conditions can cause sika deer skin cells to switch from a flat to a 3D pattern, which is important for creating hair follicles.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.

Red deer only have androgen receptors in neck hair cells for mane growth during breeding season.